How do you mix procaine powder with water to make a topical anesthetic?

To prepare a topical anesthetic using procaine powder, first, measure the desired amount of procaine powder. Then, dissolve the powder in sterile water, typically at a concentration of 0.5% to 2%, depending on the intended use. Stir the mixture thoroughly until the powder is completely dissolved. Ensure to use sterile equipment throughout the process to maintain safety and efficacy.